disintegration disintegration /dɪˌsɪnəˈgreɪʃən/

noun

1. () In a decomposed state  ( disintegration , decomposition )
   in a decomposed state
     The smell indicated the beginning stages of decomposition.
   The smell indicated the beginning stages of decomposition.
   
2. Total destruction  ( disintegration , annihilation )
   total destruction
    Bomb tests resulted in the annihilation of the atoll
   bomb tests resulted in the annihilation of the atoll
   
3. The spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation  ( decay , disintegration , radioactive decay )
   the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
   
4. Separation into component parts  ( disintegration , dissolution )
   separation into component parts
     The dissolution of the sugar in water created a sweet solution.
   The dissolution of the sugar in water created a sweet solution.
   
5. A loss (or serious disruption) of organization in some system  ( disintegration )
   a loss (or serious disruption) of organization in some system
    A disintegration of personality
   a disintegration of personality